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    Pythonlangchain-corecallbacksbaseCallbackManagerMixin
    Class●Since v0.1

    CallbackManagerMixin

    Mixin for callback manager.

    Copy
    CallbackManagerMixin()

    Methods

    method
    on_llm_start

    Run when LLM starts running.

    Warning

    This method is called for non-chat models (regular text completion LLMs). If you're implementing a handler for a chat model, you should use on_chat_model_start instead.

    method
    on_chat_model_start

    Run when a chat model starts running.

    Warning

    This method is called for chat models. If you're implementing a handler for a non-chat model, you should use on_llm_start instead.

    method
    on_retriever_start

    Run when the Retriever starts running.

    method
    on_chain_start

    Run when a chain starts running.

    method
    on_tool_start

    Run when the tool starts running.

    View source on GitHub